Identify the false statements among the following:

Rate of reaction is directly proportional to activation energy

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Order of a reaction can be determined by experimental method only

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Rate law never coincides with the stoichiometry of the reaction

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Order of reaction cort different reactants may be different.

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Solution

The correct options are
B Rate of reaction is directly proportional to activation energy
C Rate law never coincides with the stoichiometry of the reaction
(A) is wrong as rate of reaction is inversely proportional to the activation energy required for that reaction.
Also (C) is wrong because rate does coincide with the stoichiometry for elementary reactions, which take place in one step.

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